1308343986 has 24 divisors (see below), whose sum is σ = 2851137900. Its totient is φ = 433592736.

The previous prime is 1308343963. The next prime is 1308343991. The reversal of 1308343986 is 6893438031.

1308343986 is a `hidden beast` number, since 130 + 8 + 3 + 439 + 86 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1300972761 + 7371225 = 36069^2 + 2715^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206961 + ... + 213188.

Almost surely, 2^1308343986 is an apocalyptic number.

1308343986 is an abundant number, since it is smaller than the sum of its proper divisors (1542793914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1308343986 is a wasteful number, since it uses less digits than its factorization.

1308343986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420330 (or 420327 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 1308343986 is about 36171.0379447425. The cubic root of 1308343986 is about 1093.7229222314.

The spelling of 1308343986 in words is "one billion, three hundred eight million, three hundred forty-three thousand, nine hundred eighty-six".